ACTUATING UNIT NEW STYLE MODELS #5 &amp; #6<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Designed for use with new style models #5 and #6</li><li>Snap on disc included</li><li>Complete with chain and hook</li><li>Dependable high-quality construction</li><li>Easy-to-follow， detailed instructions</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41uZstcnzrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31VXYcynC0L.jpg" noproxy>